Supervolcano Eruptions (Catastrophes)

Supervolcano Eruptions Sites:

Horizon - Supervolcanoes Horizon - Supervolcanoes: It is little known that lying underneath one of America's areas of outstanding natural beauty - Yellowstone Park - is one of the largest supervolcanoes in the world. The impact of a Yellowstone eruption is terrifying to comprehend - huge areas of the USA (Supervolcano Eruptions) http://www.bbc.co.uk/horizon/supervolcanoes.shtml Horizon - Supervolcanoes: Transcript Horizon - Supervolcanoes: Transcript: Full transcript of a BBC documentary on the threat posed by supervolcanoes, and how the danger was discovered. (Supervolcano Eruptions) http://www.bbc.co.uk/horizon/supervolcanoes_script.shtml Supervolcanoes could trigger global freeze [BBC News] Supervolcanoes could trigger global freeze [BBC News]: The threat of climate change caused by human activity could turn out to be a minor problem by comparison with a scarcely acknowledged natural hazard. Geologists say there is a real risk that sooner or later a supervolcano will erupt with devastating force (Supervolcano Eruptions) http://news.bbc.co.uk/1/hi/sci/tech/628515.stm